package com.yuyu.qingmangmall.order.config;

import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.Exchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.TopicExchange;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

@Configuration
public class MyMQConfig {

    // @Bean Binding, Queue, Exchange

    /**
     * 容器中的 Binding，Queue，Exchange，都会自动创建（RabbitMQ没有的情况）
     * RabbitMQ只要有，@Bean声明属性发生变化也不会覆盖
     * @return
     */
    @Bean
    public Queue orderDelayQueue(){
//        String name, boolean durable, boolean exclusive, boolean autoDelete,
//        @Nullable Map<String, Object> arguments
        Map<String, Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange","order-event-exchange");
        arguments.put("x-dead-letter-routing-key","order.release.order");
        arguments.put("x-message-ttl",60000);
        return new Queue("order.delay.queue",true,false,false,
                arguments);
    }

    @Bean
    public Queue orderReleaseOrderQueue(){

        return new Queue("order.release.order.queue",true,false,false,
                null);
    }
    @Bean
    public Exchange orderEventExchange(){

        //String name, boolean durable, boolean autoDelete, Map<String, Object> arguments
        return new TopicExchange("order-event-exchange",true,false,null);
    }
    @Bean
    public Binding orderCreateOrder(){
        // String destination, DestinationType destinationType, String exchange, String routingKey,
        //			@Nullable Map<String, Object> arguments
        return new Binding("order.delay.queue", Binding.DestinationType.QUEUE,
                "order-event-exchange","order.create.order",null);
    }
    @Bean
    public Binding orderReleaseOrder(){
        return new Binding("order.release.order.queue", Binding.DestinationType.QUEUE,
                "order-event-exchange","order.release.order",null);
    }

    @Bean
    public Binding orderReleaseStock(){
        return new Binding("stock.release.stock.queue", Binding.DestinationType.QUEUE,
                "order-event-exchange","order.release.order.#",null);
    }

}
